Re: Size of Resistors

On 25 Aug 2006 08:31:34 -0700, "GraemeC"
<graeme.cunningham@xxxxxxxxxxxxxx> wrote:

<snip>
This circuit provided a constant current through the load LED (D1) when
Vi1 is greater than approx 3v
<snip>

I've only just begun to look at the arrangement. You have 14 BJTs in
order to provide a constant current into an LED!?? Can you explain a
little more about why?

Jon
.

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